/*
 * Copyright (c) 2006-2007 Zsolt Szasz <zsolt at lorecraft dot com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package org.lorecraft.routes;

import org.apache.oro.text.regex.MalformedPatternException;
import org.apache.oro.text.regex.Pattern;
import org.apache.oro.text.regex.PatternMatcher;
import org.apache.oro.text.regex.Perl5Compiler;
import org.apache.oro.text.regex.Perl5Matcher;

public class DynamicJakartaORORegexElement extends DynamicElement  {

	private final Pattern pattern;
	private final Perl5Compiler compiler = new Perl5Compiler();

	public DynamicJakartaORORegexElement(String element) {
		super(element.substring(0, element.indexOf('[')));
		// extract regex
		String expression = element.substring(element.indexOf('[') + 1, element.lastIndexOf(']'));
		try {
			pattern = compiler.compile(expression, Perl5Compiler.READ_ONLY_MASK);
		} catch (MalformedPatternException e) {
			throw new IllegalArgumentException(e);
		}
	}

	@Override
	protected boolean checkValue(String value) {
		PatternMatcher matcher = new Perl5Matcher();
		return super.checkValue(value) && matcher.matches(value, pattern);
	}

}
